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The Effect of Evaluating Others' Decision-Making Results on Subsequent Decision-Making
1University Innovation Center, Seoul National University.
The Journal of Psychology
|February 4, 2026
Summary
Evaluating others' decision-making improves individual accuracy more than practice with feedback. This study shows a novel, efficient training method for enhancing decision-making skills in individuals and organizations.
Area of Science:
- Cognitive Psychology
- Behavioral Economics
- Decision Science
Background:
- Effective decision-making is vital for personal and organizational success.
- Traditional training methods include practice and feedback, which are effective but time-consuming.
- A novel approach, evaluating others' decision-making, is explored for its training potential.
Purpose of the Study:
- To investigate the efficacy of evaluating others' decision-making as a training method.
- To compare this novel approach against traditional practice-with-feedback training.
- To determine if evaluating others' decisions enhances subsequent decision-making accuracy.
Main Methods:
- Two experiments were conducted with a total of 219 participants.
- Participants engaged in decision-making tasks and received training under different conditions.
- Training conditions included evaluating others' decision outcomes (correct/incorrect) and practicing with feedback.
Main Results:
- Participants who evaluated others' decision-making showed significantly higher accuracy in a subsequent task.
- This improvement was observed in both experiments, using different decision-making tasks.
- The novel training method outperformed traditional practice-with-feedback.
Conclusions:
- Evaluating others' decision-making is a more efficient and effective training strategy.
- This method enhances the accuracy of an individual's subsequent decision-making.
- Findings suggest a new paradigm for decision-making skill development.
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